Home / 31,743,529.20-43,809,495.84-17,991,017.28

Finding the Fourth Proportional to 31,743,529.20, 43,809,495.84 and 17,991,017.28

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Solution

The fourth proportional to 31,743,529.20, 43,809,495.84 and 17,991,017.28 is: 24,829,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743,529.20 : 43,809,495.84 = 17,991,017.28 : x
  2. Step 2: Convert to fraction form
    31,743,529.20/43,809,495.84 = 17,991,017.28/x
  3. Step 3: Cross multiply
    31,743,529.20x = 43,809,495.84 × 17,991,017.28
  4. Step 4: Simplify right side
    31,743,529.20x = 788,177,396,685,528.25
  5. Step 5: Solve for x
    x = 788,177,396,685,528.25/31,743,529.20
  6. Step 6: Final answer
    x = 24,829,545.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.